Punctuation
Capitalization:
You capitalize the proper nouns if they are names of places , persons , nationalities , languages , subjects and titles.
examples,
Charles Dickenson
A Tale of Two Cities
Saudi, Japanese
English French
Math and Science
Capitalize also the pronoun " I " and the beginning of each sentence

Periods: at the end of each sentence

Commas: when you speak about a series of things in a sentence
e.g. She went to America , France , Egypt and Lebanon.

Apostrophe: I'm , don't , I've , I'll etc….